Creating a build system

We have learned how to export a build in the Editor using the Build Settings window. Now, we are going to see how to automate this process by creating a new BuildSystem script, which will use similar options to export the build through the UnityEditor API in the code instead of the Build Settings window.

Create a new script in the Scripts | Editor folder, name it BuildSystem, and replace the content with the following code block:

#if UNITY_EDITOR
using UnityEditor.Build.Reporting;
using UnityEditor;
using UnityEngine;
namespace Dragoncraft
{
  public static class BuildSystem
  {
    private static string[] _releaseScenes = new[] {
      "Assets/Scenes/Level01.unity",
      "Assets/Scenes/GameUI.unity"
    };
    private static string[] _debugScenes = new[] {
      ...